Use the discovery approach to mathematics while your students explore six different simulated geometry environments. Built-in lessons provide individualized support allowing students to progress while...More: lessons, discussions, ratings, reviews,...

Teaching-Tools.com contains a series of online "tools" enabling you to quickly generate an almost infinite number of math (and other subjects) worksheets and their answer keys.
You can then choose to...More: lessons, discussions, ratings, reviews,...

An exercise (in English and Spanish) in using an interactive 2D Euclidean symmetry pattern editor. This activity was originally written as one of the stations in Frisbie Middle School's Multicultural ...More: lessons, discussions, ratings, reviews,...

Students are asked to find all the different ways to put the shapes together to make a hexagon using a triangle, rhombus, trapezoid, or hexagon shape in the Pattern Block applet by Jacobo Bulaevsky.More: lessons, discussions, ratings, reviews,...

The three-part ladybug example presents a rich computer environment in which students can use their knowledge of number, measurement, and geometry to solve interesting problems. Planning and visualizi...More: lessons, discussions, ratings, reviews,...

This material is based upon work supported by the
National Science Foundation under Grant DUE-0226284.
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National Science Foundation.